238271671 has 4 divisors (see below), whose sum is σ = 259932744. Its totient is φ = 216610600.

The previous prime is 238271653. The next prime is 238271681. The reversal of 238271671 is 176172832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238271671 - 2¹¹ = 238269623 is a prime.

It is a super-2 number, since 2×238271671² = 113546778402264482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238271671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238271641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10830520 + ... + 10830541.

It is an arithmetic number, because the mean of its divisors is an integer number (64983186).

Almost surely, 2^238271671 is an apocalyptic number.

238271671 is a deficient number, since it is larger than the sum of its proper divisors (21661073).

238271671 is a wasteful number, since it uses less digits than its factorization.

238271671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661072.

The product of its digits is 28224, while the sum is 37.

The square root of 238271671 is about 15436.0510170186. The cubic root of 238271671 is about 619.9511503309.

The spelling of 238271671 in words is "two hundred thirty-eight million, two hundred seventy-one thousand, six hundred seventy-one".